Home / 2,745.51-4,112.32-1,705.77

Finding the Fourth Proportional to 2,745.51, 4,112.32 and 1,705.77

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Solution

The fourth proportional to 2,745.51, 4,112.32 and 1,705.77 is: 2,554.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.51 : 4,112.32 = 1,705.77 : x
  2. Step 2: Convert to fraction form
    2,745.51/4,112.32 = 1,705.77/x
  3. Step 3: Cross multiply
    2,745.51x = 4,112.32 × 1,705.77
  4. Step 4: Simplify right side
    2,745.51x = 7,014,672.09
  5. Step 5: Solve for x
    x = 7,014,672.09/2,745.51
  6. Step 6: Final answer
    x = 2,554.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.